IB ESS HL 1.2.11 Tipping Points Questions

Practise HL questions on tipping points by analysing threshold change, positive-feedback amplification, eutrophication and transitions to alternative stable states.

Exam points

Explain how positive feedback can carry a system beyond a threshold into an alternative stable state.
Analyse eutrophication as an amplification process that crosses a tipping point and changes equilibrium.
Distinguish stabilising feedback from destabilising feedback at the boundary between stable states.
Evaluate how named environmental systems respond after threshold change, using feedback evidence.

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Study 1.2.11—Tipping points conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

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